Respiratory oxygen dilution valve



FIG. 1 is a perspective view;

FIG. 2 is a bottom plan view;

FIG. 3 is a top plan view;

FIG. 4 is a side elevational view;

FIG. 5 is a side elevational view; opposite that shown in FIG. 4;

FIG. 6 is an end elevational view; and,

FIG. 7 is an end elevational view; opposite that shown in FIG. 6.

The ornamental design for a respiratory oxygen dilution valve, as shownand described.